﻿// The MIT License (MIT)
//
// Copyright (c) 2015-2018 Rasmus Mikkelsen
// Copyright (c) 2015-2018 eBay Software Foundation
// https://github.com/eventflow/EventFlow
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

using System;
using System.Threading;
using System.Threading.Tasks;
using EventFlow.Core;

namespace EventFlow.Sagas
{
    public abstract class SagaStore : ISagaStore
    {
        public async Task<TSaga> UpdateAsync<TSaga>(
            ISagaId sagaId,
            ISourceId sourceId,
            Func<TSaga, CancellationToken, Task> updateSaga,
            CancellationToken cancellationToken)
            where TSaga : ISaga
        {
            return (TSaga) await UpdateAsync(
                    sagaId,
                    typeof(TSaga),
                    sourceId,
                    (s, c) => updateSaga((TSaga) s, c),
                    cancellationToken)
                .ConfigureAwait(false);
        }

        public abstract Task<ISaga> UpdateAsync(
            ISagaId sagaId,
            Type sagaType,
            ISourceId sourceId,
            Func<ISaga, CancellationToken, Task> updateSaga,
            CancellationToken cancellationToken);
    }
}